The map above shows Oklahoma and Rhode Island side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Oklahoma vs Rhode Island Geography
Land area: Oklahoma has a land area of 68,597 square miles (177,665 km²), while Rhode Island has 1,034 square miles (2,678 km²). Oklahoma's land area is 66.3 times larger than Rhode Island's.
Total area: Oklahoma: 69,899 square miles (181,038 km²) vs Rhode Island: 1,545 square miles (4,002 km²), including inland and coastal water. Oklahoma's total area is 45.2 times larger than Rhode Island's.
Length: Oklahoma is 533 miles (857 km) long from north to south; Rhode Island is 61 miles (98 km). Oklahoma's north-south length is 8.7 times (774%) longer than Rhode Island's.
Width: Oklahoma spans 490 miles (789 km) east to west; Rhode Island spans 42 miles (67 km). Oklahoma's east-west width is 11.7 times wider than Rhode Island's.
Highest point: Oklahoma's highest point is Black Mesa at 4,980 feet (1,518 m); Rhode Island's is Jerimoth Hill at 811 feet (247 m). Black Mesa is 4,169 feet higher than Jerimoth Hill.
Lowest point: Oklahoma's lowest point is Little River at 289 feet; Rhode Island's is Atlantic Ocean at 0 feet. Rhode Island's lowest point is 289 feet lower.
Oklahoma vs Rhode Island Population and History
Population: Oklahoma has a population of 4,095,393 (2024), while Rhode Island has 1,112,308 (2024). Oklahoma's population is 3.7 times (268%) larger than Rhode Island's.
Population density: Oklahoma: 59.7 people per square mile vs Rhode Island: 1,075.8. Rhode Island's population density is 18.0 times higher than Oklahoma's.
Biggest city: Oklahoma's biggest city is Oklahoma City with 712,919 people; Rhode Island's is Providence with 194,706. Oklahoma City's population is 3.7 times (266%) larger than Providence's.
Largest metro area: Oklahoma's largest metropolitan area is Oklahoma City, OK metro area (1,497,821 people) vs Rhode Island's Providence-Warwick, RI-MA metro area (1,700,901). Providence-Warwick, RI-MA metro area's population is 1.1 times (14%) larger than Oklahoma City, OK metro area's.
History: Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. Rhode Island: Admitted to the Union on May 29, 1790, as the 13th state. In its current form, Rhode Island is the older of the two by 117 years.
Oklahoma vs Rhode Island Economy
GDP: Oklahoma's GDP is $263.7 billion (2024) vs Rhode Island's $80.4 billion. Oklahoma's economic output is 3.3 times (228%) larger than Rhode Island's.
GDP per capita: Oklahoma: $64,388 per person vs Rhode Island: $72,265. Rhode Island's GDP per capita is 1.1 times (12%) higher than Oklahoma's.
Average income: Oklahoma: $63,708 vs Rhode Island: $70,622 average income per person (per capita personal income). Rhode Island's average income is 1.1 times (11%) higher than Oklahoma's.
Oklahoma vs Rhode Island Counties
Number of counties: Oklahoma has 77 counties, while Rhode Island has 5. Oklahoma's county count is 15.4 times higher than Rhode Island's.
Biggest county by area: Oklahoma's largest county is Osage County at 2,247 square miles; Rhode Island's is Providence County at 410 square miles. Osage County's land area is 5.5 times (449%) larger than Providence County's.
Smallest county by area: Oklahoma: Marshall County (372 sq mi) vs Rhode Island: Bristol County (24 sq mi). Marshall County's land area is 15.4 times larger than Bristol County's.
Most populous county: Oklahoma: Oklahoma County (816,490 people) vs Rhode Island: Providence County (675,912 people). Oklahoma County's population is 1.2 times (21%) larger than Providence County's.
Least populous county: Oklahoma: Cimarron County (2,133 people) vs Rhode Island: Bristol County (50,145 people). Bristol County's population is 23.5 times larger than Cimarron County's.
Richest county: Oklahoma: Washington County ($126,749 per capita income) vs Rhode Island: Bristol County ($99,923). Washington County's income is 1.3 times (27%) richer than Bristol County's.
Poorest county: Oklahoma: Atoka County ($38,709 per capita income) vs Rhode Island: Providence County ($61,040). Providence County's income is 1.6 times (58%) richer than Atoka County's.
Oklahoma vs Rhode Island Taxes
State income tax: Oklahoma has a top income tax rate of 4.5%, while Rhode Island has a top income tax rate of 5.99%. Rhode Island's top rate is 1.49 percentage points higher.
Property tax: Oklahoma: 0.75% effective rate vs Rhode Island: 1.07% of home value per year. Rhode Island's rate is 0.32 percentage points higher.
Sales tax: Oklahoma: 9.06% combined state and average local rate vs Rhode Island: 7%. Oklahoma's combined rate is 2.06 percentage points higher.
Official Websites
Oklahoma official website · Rhode Island official website
More Size Comparisons
All Oklahoma size comparisons · All Rhode Island size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.